Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/efdffef7723f
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #32612 from mcav/icon-size-test

Bug 1215476 - [Test] task_manager_icon_test Marionette test failing l… r=albertopq

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https://hg.mozilla.org/integration/gaia-central/rev/72417074b0a3
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Bug 1215476 - [Test] task_manager_icon_test Marionette test failing locally.

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https://hg.mozilla.org/integration/gaia-central/rev/25ea2d695e23
Author: Yi-Fan Liao <yliao@mozilla.com>
Desc: Merge pull request #32738 from begeeben/1216854_handle_back_space

Bug 1216854 - [browser] handle back-space key event in firefox sync process, r=ferjm

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https://hg.mozilla.org/integration/gaia-central/rev/62dded4ea655
Author: yifan <yliao@mozilla.com>
Desc: Bug 1216854 - [browser] handle back-space key event in firefox sync process

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https://hg.mozilla.org/integration/gaia-central/rev/c6230d5bedb9
Author: Yi-Fan Liao <yliao@mozilla.com>
Desc: Merge pull request #32669 from begeeben/1215169_implement_key_navigation_on

Bug 1215169 - Implement key navigation on FxA flow, r=ferjm

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https://hg.mozilla.org/integration/gaia-central/rev/e05549a393c4
Author: Yi-Fan Liao <begeeben@gmail.com>
Desc: Bug 1215169 - Implement key navigation on FxA flow

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "e544b68c4c5b7b9b9bc7af71db02ebe81a6b5cc1", 
+        "git_revision": "352aab80c637ca5264301495872facd083b231fa", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "b935e8b3034d682695e8bc1609cb21b04c0ad63d", 
+    "revision": "efdffef7723f687d353af5e135ed4054ed134dd2", 
     "repo_path": "integration/gaia-central"
 }